body {
  background-color: #fff;
  margin: 0;
  font-family: 'Helvetica Neue', Helvetica, sans-serif;
  padding-top: 0.2rem;
}
body nav {
  width: 7.02rem;
  margin: 0 auto;
  padding: 0.6rem 0;
}
body nav img {
  width: 7.02rem;
  height: 0.72rem;
}
